styling for emacs

tools/chibios.el

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+;;;
+;;;  Copyright (C) 2016 Stephane D'Alu
+;;;
+;;;  Licensed under the Apache License, Version 2.0 (the "License");
+;;;  you may not use this file except in compliance with the License.
+;;;  You may obtain a copy of the License at
+;;;
+;;;      http://www.apache.org/licenses/LICENSE-2.0
+;;;
+;;;  Unless required by applicable law or agreed to in writing, software
+;;;  distributed under the License is distributed on an "AS IS" BASIS,
+;;;  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;;;  See the License for the specific language governing permissions and
+;;;  limitations under the License.
+
+;;;
+;;; See: https://www.emacswiki.org/emacs/IndentingC
+;;;
+
+;;
+;;; Loading of this file can be done in ~/.emacs
+;;; by putting: (load "~/path/to/ChibiOS-Contrib/tools/chibios.el")
+;;;
+;;; Styling can be selected using local variable:
+;;;   /* -*- c-file-style: "chibios" -*- */
+;;;
+;;; But will also be automatically apply to a file located in a
+;;; ChibiOS directory. Example:  /path/to/../ChibiOS/../file.c
+;;;
+
+
+
+;;
+;; Define ChibiOS prefered styling
+;;
+(defconst chibios-c-style
+  '((indent-tabs-mode . nil)
+    (c-basic-offset   . 2))
+  "ChibiOS C Programming Style")
+
+(c-add-style "chibios" chibios-c-style)
+
+
+;;
+;; 
+;;
+(defun maybe-chibios-c-style ()
+  (when (and buffer-file-name
+	     (string-match "ChibiOS" buffer-file-name))
+    (c-set-style "chibios")))
+
+(add-hook 'c-mode-hook 'maybe-chibios-c-style)
+